Sangsun Ham

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Kyungki-Do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Disposable filter cartridge
- Patent number 6,991,112
- Issue date Jan 31, 2006
- Romanow Enterprises, Inc.
- Sangsun Ham
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Recyclable air filter
- Patent number 6,986,799
- Issue date Jan 17, 2006
- Romanow Enterprises, Inc.
- Sangsun Ham
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Recyclable air filter
- Publication number 20040035096
- Publication date Feb 26, 2004
- Romanow Enterprises, Inc.
- Sangsun Ham
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Disposable filter cartridge
- Publication number 20030168400
- Publication date Sep 11, 2003
- Romanow Enterprises, Inc. d/b/a MR Trading Overseas
- Sangsun Ham
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL